Chocolate potato cake (1912)

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 This chocolate potato cake really good. It sounds wierd I know but believe me, it's really good. 
The original recipe is made with Idaho potatoes, but normal potatoes can be used too. 

Here are the steps for making this cake:

1. Grease and flour pan.
2. In a bowl put cream butter and sugar than add chocolate.
3. Add milk and mashed potatoes.
4. Add egg yolks, wanilla, baking powder.
5. Combining the ingredients make a thick batter.
6. Gently fold in walnuts, then the beaten egg whites.
7. Pour batter into pan.
8. Bake.
7. You are done. Enjoy!
Ingrediance How much
Butter 2/3 cup
Sugar 2 cups
Flour 2 cup
Mashed potatoes 1 cup
Chopped walnuts 1 cup
Milk 1/2 cup
Vanilla 1 1/2 tsp
Baking powder 2 tsp
Grated chocolate 1 cup
Eggs 4 beaten separately
Potato was a popular addition to cakes during World War I, the Great Depression, and World War II due to shortages of butter and flour. 
he potato adds both substance and moisture to the cake without imparting any potato flavor. 
The creator of this recipe was Frank Morse was born in Whitehall, New York, on July 11, 1845.
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Help for the baking
Help for the baking